Now I am completed diploma mechanical engineering, For joining AMIE correspondence courses which govt exam is required to eligible
total fees for AMIE correspondence learning students

Hello.
For having correspondence course in AMIE
after your diploma in mechanical engineering you will have to clear the examination conducted by AMIE (associate membership of institute of engineers)
the name of this exam is associate membership of institute of engineers exam , this exam is conducted twice in a year one in winter and other in summer,
BEST OF LUCK.